c programming for the absolute beginner

... 1-931841-52-7 C++®Programming for the Absolute Beginner ISBN 0-7615-3523-3 Java™Programming for the Absolute Beginner ISBN 0-7615-3522-5 Microsoft® Access VBA Programming for the Absolute Beginner, Second ... ■Coming March 2005 Microsoft® Excel VBA Programming for the Absolute Beginner, Second Edition ISBN: 1-59200-729-5 ■Coming March 2005 Microsoft® Visual Basic.NET Programming for the Absolute Beginner ... Palm™Programming for the Absolute Beginner ISBN 0-7615-3524-1 Python Programming for the Absolute Beginner ISBN 1-59200-073-8 Microsoft® Windows® Shell Script Programming for the Absolute Beginner

Ngày tải lên: 03/07/2014, 18:20

... script The statements in this section access the resources defined in the Initialization Section as necessary, and call on the procedures and functions located in the Procedure Section. • Procedure ... the declaration of any variables, constants, arrays, and objects used by the script. • Main Processing Section This section contains the statements that control the main processing logic of the ... Documentation for any arguments the script expects to receive at execution time • Documentation of the recent updates to the script, including when, by whom, and why • Copyright information • Contact or

Ngày tải lên: 03/07/2014, 18:20

... that the script can calculate its square root. The second script is a rewrite of the first script, using the VBScript Sqr() function in place of the original programming logic. Here’s the first ... Programming for the Absolute Beginner, Second Edition Constant Value Description vbCritical 16 Displays the critical icon vbQuestion 32 Displays the question icon vbExclamation 48 Displays the exclamation ... the VBScript FileSystemObject Set FsoObject = WScript.CreateObject(“Scripting.FileSystemObject”) ‘Use the FileSystem Object object’s GetDrive method to set up a reference ‘to the computer’s C:

Ngày tải lên: 03/07/2014, 18:20

... that the gcc-core: C Compiler component is not selected by default To select this component, click the plus sign (+) next to the Devel category and scroll down until you find the gcc-core: C Compiler ... compile /* C Programming for the Absolute Beginner The next line of code also will not compile because comment character sets have been incorrectly ordered */ C Programming for the Absolute Beginner ... by the compiler because it is surrounded with the character sets /* and */ /* C Programming for the Absolute Beginner */ The character set /* signifies the beginning of a comment block; the character...

Ngày tải lên: 05/08/2014, 09:45

... through the ASCII (American Standard Code for Information Interchange) character set For a listing of common ASCII character codes, see Appendix D, “Common ASCII Character Codes.” ASCII ASCII or ... character codes For example, the character code 90 represents the letter Z Note that the letter Z is not the same as the character code 122, which represents the letter z (lowercase letter z) Characters ... information You can accomplish this seemingly difficult task using character sets known as conversion specifiers Conversion specifiers are comprised of two characters: The first character is the...

Ngày tải lên: 05/08/2014, 09:45

... off\n"); } The placement of each brace is only important in that they begin and end the statement blocks For example, I can change the placement of braces in the preceding code without affecting the ... because the ASCII value for uppercase letter A is not the same as the ASCII value for lowercase letter a (To see a listing of common ASCII characters, visit Appendix D, “Common ASCII Character ... This bug occurred because after the appropriate case statement is matched to the switch variable, the switch structure continues processing each case statement thereafter Chapter • Conditions...

Ngày tải lên: 05/08/2014, 09:45

... to call operating system commands such as the UNIX clear command 108 C Programming for the Absolute Beginner, Second Edition Challenges Create a counting program that counts from to 100 in increments ... for the Absolute Beginner, Second Edition SYSTEM CALLS Many programming languages provide at least one utility function for accessing operating system commands C provides one such function, called ... C, these components are known as functions, which are at the heart of this chapter In this section I will give you background on 110 C Programming for the Absolute Beginner, Second Edition common...

Ngày tải lên: 05/08/2014, 09:45

... function calls printReportHeader; printReportHeader(); //Incorrect function call //Correct function call The first function call will not cause a compile error but will fail to execute the function ... from the keyboard Prints data to the computer monitor Tests for decimal digit characters Tests for lowercase letters Tests for uppercase letters Converts character to lowercase Converts character ... function, and lose their scope each time the function is executed 130 C Programming for the Absolute Beginner, Second Edition • Locally scoped variables can be reused in other functions without...

Ngày tải lên: 05/08/2014, 09:45

... more common definitions in this section before continuing 172 C Programming for the Absolute Beginner, Second Edition • Cryptography The art and science of protecting or obscuring messages • Cipher ... use the indirection operator (*), which tells C that I want to access the contents of the memory location contained in the pointer variable Specifically, I increment the original variable contents ... specialist who practices encrypting or protecting messages • Encryption The process by which clear text is converted into cipher text • Decryption The process of converting cipher text into clear text;...

Ngày tải lên: 05/08/2014, 09:45

... allocate enough room for the NULL character because many C library functions look for the NULL character when processing character arrays If the NULL character is not found, some C library functions ... the exclamation mark (!) is greater than the letter A To differentiate between characters, computer systems rely on character codes such as the ASCII character-coding system Using character-coding ... lowercase and uppercase, respectively • The strcpy() function copies the contents of one string into another string • The strcat() function concatenates or glues one string to another • The strcmp()...

Ngày tải lên: 05/08/2014, 09:45

... concept for dissecting chunks of memory CALLOC() AND REALLOC() Another memory allocating tool is the C standard library function calloc() Like the malloc() function, the calloc() function ... resources, such as RAM and virtual memory Specifically, this chapter covers the following topics: • Memory concepts continued • sizeof • malloc() • calloc() • realloc() MEMORY CONCEPTS CONTINUED ... This chapter is dedicated to discussing dynamic memory concepts, such as allocating, reallocating, and freeing memory using the functions malloc(), calloc(), realloc(), and free() This section...

Ngày tải lên: 05/08/2014, 09:45

... and concepts such as symbolic constants, macros, function headers, and definition files Specifically, this chapter covers the following topics: • Introduction to the C preprocessor • Symbolic constants ... the gcc program performs the following actions to create an executable file 272 C Programming for the Absolute Beginner, Second Edition Preprocesses program code and looks for various directives ... supplying to the second argu- ment a series of type specifiers for each field in the record For example, the next fscanf() function expects to read two character strings called name and hobby Chapter...

Ngày tải lên: 05/08/2014, 09:45